Home / 24,121.60-33,287.83-13,511.31

Finding the Fourth Proportional to 24,121.60, 33,287.83 and 13,511.31

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Solution

The fourth proportional to 24,121.60, 33,287.83 and 13,511.31 is: 18,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,121.60 : 33,287.83 = 13,511.31 : x
  2. Step 2: Convert to fraction form
    24,121.60/33,287.83 = 13,511.31/x
  3. Step 3: Cross multiply
    24,121.60x = 33,287.83 × 13,511.31
  4. Step 4: Simplify right side
    24,121.60x = 449,762,031.75
  5. Step 5: Solve for x
    x = 449,762,031.75/24,121.60
  6. Step 6: Final answer
    x = 18,645.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.